https://github.com/proddy/EMS-ESP/issues/103#issuecomment-495605798

2025-12-07 16:29:51 +03:00 · 2019-05-24 15:30:21 +02:00
parent 1a638d2611
commit 9cdd9c403c
1 changed files with 3 additions and 0 deletions
--- a/src/emsuart.cpp
+++ b/src/emsuart.cpp
@@ -216,6 +216,9 @@ void ICACHE_FLASH_ATTR emsuart_tx_buffer(uint8_t * buf, uint8_t len) {
        */

        ETS_UART_INTR_DISABLE(); // disable rx interrupt
+
+        // clear Rx status register - https://github.com/proddy/EMS-ESP/issues/103#issuecomment-495605798
+        USC0(EMSUART_UART) |= (1 << UCRXRST); // reset uart rx fifo
        emsuart_flush_fifos();

        // throw out the telegram...